This mediator is used to convert the resultset data for the LISTPRICE
table into it's logical manifestation in the logical CatalogEntry
noun. This mediator handles the /CatalogEntry/UnitPrice portion
of the noun.
Build the /CatalogEntry/UnitPrice portion of the CatalogEntry
noun, based on data contained in the result graph. If no list price data
is found in the physical graph, then the logical noun is unchanged by this
aNoun - an Object for holding the Logial enity which is of type CatalogEntry,
to be populated by copying data from physical entity
aPhysicalEntity - an Object to hold the physical entity of type CatalogEntry which
contains the data that has to be populated in Logical Entity.
throws - an exception of type BusinessObjectMediatorException